Includes natural processes within the climate system: orbital patterns, solar radiation, oceans, atmosphere, water cycle, the natural greenhouse effect, carbon cycle, regional climates and differences between climate and weather.

The ocean is the largest solar energy collector on Earth. More than 90 percent of the warming that has happened on Earth over the past 50 years has occurred in the ocean. Not all of that heating is detectable at the surface because currents move some of the heat to deeper layers of water, where it can "hide" for years or decades.

NOAA's Susan Solomon was awarded the 2009 Volvo Environment Prize for her pioneering contributions in atmospheric chemistry and physics.

ENSO is a complicated thing to model. What are the challenges, and how can we overcome them?

Guest blogger Dennis Hartmann makes the case that warm waters in the western tropical Pacific—part of the North Pacific Mode climate pattern—are behind the weird U.S. winter weather of the past two seasons.

How do we verify forecasts that use probabilities? Read on to find out.

Online training in systems thinking to help fuel the global response to climate change
January 9, 2015 to February 13, 2015

The Climate Leader is an online training in systems thinking to help fuel the global response to climate change. These materials will help you to be more effective at addressing climate change by enabling you to see the interconnections and big picture in your work.

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